Extract text from MNX files
To convert your MNX file to another format, you need AutoCAD or other Developer software.
To convert other file formats to the "Compiled Interface File" file type, you need software like AutoCAD or a similar tool.
The .MNX extension acts as a container for several distinct, incompatible formats, creating a common headache for users trying to open them. Historically, it is most widely recognized as a Compiled Menu File for legacy versions of AutoCAD (pre-2006) or Visual FoxPro. In these cases, the file contains binary interface instructions - layouts, shortcuts, and commands - optimized for machine reading, not human editing. A modern but frequent variation is the POS Backup file from FN Sistemas Fenix, which is simply a renamed archive.
Users typically encounter friction when they attempt to edit an .MNX file in a text editor, only to see garbled binary code. Because it is a "compiled" state, you cannot directly modify the menu items without the original source code (Source Menu .MNU or MNS files). For AutoCAD users, the goal is often to migrate these legacy menus to the modern CUIx format. For Fenix POS users, the constraint is purely artificial; the file is a standard compressed archive disguised with a different extension.
Best Conversion Targets:
MENULOAD command, which automatically migrates the binary data. If you need to edit the menu logic, you must locate the original MNU source file.Convert.Guru analyzes your MNX file, detects the exact format, and lets you read the text inside.
Users also converted AFW, SSU and DF3 files.
The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our MNX converter.